Russ wants to be a good participant. he knows that his professor is an environmentalist, so his answers on the survey reflect a pro-environment position. this is an example of:

participant bias. i think is the answer 

This question is an opinionated one, and we don’t know anything about the module or anything, thus we can not answer it. but if you are having trouble on what it is asking basically it is just asking to (using your knowledge on the topic) say which topics you were most interested and which were the most challenging.hope this : p

The correct answer is "bantu".